*{
	margin: 0;
	padding: 0;
}
ul{
	list-style: none;
}
html{
	height: 100%;
}
body{
	height: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
}
.tabs ul{
	display: flex;
	position: relative;
	z-index: 999;
}
.tabs li{
	border: 1px solid #000;
	border-radius: 10px 10px 0 0;
	width: 120px;
	height: 40px;
	text-align: center;
	line-height: 40px;
	margin-right: 16px;
	border-bottom: none;
}

.tabs .contents{
	border: 1px solid #000;
	width: 550px;
	height: 200px;
	padding: 20px;
	background-color: #ddd;
	position: relative;
	top: -1px;
}
.tabs .contents .con{
	display: none;
}
.active{
	background-color: #ddd;
}